Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||||||
| Profit (loss) |
3,137,000,000
USD
|
—
USD
|
—
USD
|
8,562,000,000
USD
|
— |
306,000,000
USD
|
12,005,000,000
USD
|
—
USD
|
—
USD
|
11,699,000,000
USD
|
8,562,000,000
USD
|
3,328,000,000
USD
|
—
USD
|
2,089,000,000
USD
|
—
USD
|
—
USD
|
— |
—
USD
|
1,239,000,000
USD
|
974,000,000
USD
|
2,089,000,000
USD
|
4,302,000,000
USD
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||||||
| Adjustments for decrease (increase) in inventories | — | — | — | — | — | — | — | — | — |
328,000,000
USD
|
— |
1,560,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Adjustments for decrease (increase) in other operating receivables | — | — | — | — | — | — | — | — | — |
637,000,000
USD
|
— |
1,035,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Adjustments for increase (decrease) in other operating payables | — | — | — | — | — | — | — | — | — |
1,368,000,000
USD
|
— |
1,061,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Adjustments for depreciation and amortisation expense | — | — | — | — | — | — | — | — | — |
2,715,000,000
USD
|
— |
2,597,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Adjustments for share-based payments | — | — | — | — | — | — | — | — | — |
189,000,000
USD
|
— |
166,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Other adjustments to reconcile profit (loss) | — | — | — | — | — | — | — | — | — |
147,000,000
USD
|
— |
63,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operations | — | — | — | — | — | — | — | — | — |
20,588,000,000
USD
|
— |
7,998,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — | — | — | — |
4,341,000,000
USD
|
— |
1,606,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as operating activities | — | — | — | — | — | — | — | — | — |
18,000,000
USD
|
— |
107,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — | — |
16,723,000,000
USD
|
— |
6,618,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — | — | — |
63,000,000
USD
|
— |
384,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — | — | — |
—
USD
|
— |
520,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — | — | — |
17,000,000
USD
|
— |
7,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — | — | — |
5,732,000,000
USD
|
— |
4,647,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — | — | — | — | — |
68,000,000
USD
|
— |
63,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash advances and loans made to other parties, classified as investing activities | — | — | — | — | — | — | — | — | — |
29,000,000
USD
|
— |
67,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Interest received, classified as investing activities | — | — | — | — | — | — | — | — | — |
87,000,000
USD
|
— |
84,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — | — | — | — | — | — | — | — |
89,000,000
USD
|
— |
27,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — | — |
5,558,000,000
USD
|
— |
4,740,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — | — | — |
972,000,000
USD
|
— |
2,121,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — | — | — |
336,000,000
USD
|
— |
195,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — | — | — | — |
433,000,000
USD
|
— |
471,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — | — | — | — | — | — | — |
127,000,000
USD
|
— |
—
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — | — |
9,356,000,000
USD
|
— |
716,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — | — | — |
1,809,000,000
USD
|
— |
1,162,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — | — | — |
260,000,000
USD
|
— |
11,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — | — | — | — | — | — | — |
1,809,000,000
USD
|
— |
1,162,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
9,057,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
7,508,000,000
USD
|
— | — | — | — | — |
6,335,000,000
USD
|